| 5073271 |
Utilization of soot from synthesis gas production in sewage treatment |
Siegfried Marquardt, Uwe Kempe, Wolfgang Vodrazka, Gero Lueth |
1991-12-17 |
| 4840736 |
Process for producing combustible sewage sludge filter cakes in filter presses |
Herbert Lauer, Manfred Neuwirth |
1989-06-20 |
| 4828715 |
Cleaning and disposal of carbon black and ash containing wastewaters |
Siegfried Marquardt, Gero Lueth, Robert K. Horn, Uwe Kempe |
1989-05-09 |
| 4728437 |
Treatment and disposal of wastewaters containing carbon black and ash |
Hans Gettert, Knut Kaempfer, Siegfried Marquardt, K. Robert Mueller |
1988-03-01 |
| 4417976 |
Dewatering of petroleum-containing sludges with recovery of the oil component |
Friedrich Hovemann, Kurt Scherling |
1983-11-29 |
| 4411797 |
Dewatering of sewage sludges on chamber filter presses |
Klaus Hess, Peter Lintz, Walter Goesele |
1983-10-25 |
| 4224259 |
Manufacture of fibrids from polymers |
Eckhard Bonitz, Kurt Scherling |
1980-09-23 |
| 4219512 |
Manufacture of fibrids from polymers |
Richard E. Sinn, Otto Nagel, Eckhard Bonitz, Kurt Scherling, Hans D. Zettler +2 more |
1980-08-26 |
| 4187143 |
Manufacture of fibrids from poly(amide-imide) resins |
Kurt Scherling, Rolf Steinberger, Eckhard Ropte |
1980-02-05 |
